Persistent URL

a clue that the owner of the resource is committed to keeping the site stable and persistently available via a given URL

a Persistent Uniform Resource

a URL, recognizable by today's browsers, and any other software that interprets URLs

a URL which points not directly to a location but, rather, points to a service which will redirect a WWW browser to the location being sought

Permanent URL. A URL that will always refer to a given resource even if the hosting location (URL) of that resource changes. A permanent URL is used to redirect the user to the referenced resource. For the PURL to remain valid it must be updated its administrator if the resource moves, and the PURL service provider must remain in existence. For example, see: http://purl.org

a web address to an internet resource or web page that does not change, also known as a stable link.

Persistent Uniform Resource Locator

A method of providing persistent identifiers using standard web protocols, developed by OCLC.